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OEM HiFi

Sound System trunk amp bypass harness kit

Sound System trunk amp bypass harness kit

The ultimate OEM+ audio tool for cars with BMW Sound System.  This harness preserves your car's OEM wiring while also tapping in safely to all the key signals on your audio harness via the Quadroboost trunk amplifier connector plug.   This harness can also perform a "traditional" trunk amplifier bypass function needed by Amp+ from Cantaloupe Radio.  You can also change the configuration of your audio system at any time by simply un-plugging specific connectors on the harness  and updating the equipment.

Comes with a full set of matching pigtails for whatever audio equipment you want to run in your car, including Line Output Converters (LOCs), 4 or 5 channel amplifiers, monoblock amplifiers, and passive or active subwoofers.

Regular price $120.00 USD
Regular price Sale price $120.00 USD
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